National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.02 in (1015.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 May 1:56 am EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • Overnight

    Overnight: Partly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 75. West wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. North wind around 6 mph.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Light northeast wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. Southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. West wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 43. North wind around 6 mph.
Thursday
Partly sunny, with a high near 62. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 40. Light northeast wind.
Friday
Partly sunny, with a high near 62.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Showers. High near 51. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 41. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Sunday Night
Showers likely. Cloudy, with a low around 46. Chance of precipitation is 60%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
2:07 am EDT May 20, 2026
Forecast Valid:
2am EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation